MT Pronghorn Unit 640

MT 640 — Tactical Analysis. Terrain & Access MT 640 spans roughly 2.4 million acres across a broad elevation band (1,862–3,263 ft), offering mixed high-desert and foothill habitat typical of central Montana pronghorn country. With only 21% public land, access is constrained—most productive hunting requires permission on private ranches. Terrain transitions from sagebrush-dominated lowlands to more broken, timbered terrain at higher elevations. The large unit size and low public-land percentage mean success often hinges on prior scouting relationships or outfitter knowledge of private-land opportunities. Hunt Character This unit suits hunters comfortable with private-land negotiation or those willing..